Qt Reference Documentation

Sun.qml Example File

declarative/toys/dynamicscene/qml/Sun.qml
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 import Qt 4.7

 Image {
     id: sun

     property bool created: false
     property string image: "../images/sun.png"

     source: image

     // once item is created, start moving offscreen
     NumberAnimation on y {
         to: window.height / 2
         running: created
         onRunningChanged: {
             if (running)
                 duration = (window.height - sun.y) * 10;
             else
                 state = "OffScreen"
         }
     }

     states: State {
         name: "OffScreen"
         StateChangeScript {
             script: { sun.created = false; sun.destroy() }
         }
     }

     onCreatedChanged: {
         if (created) {
             sun.z = 1;    // above the sky but below the ground layer
             window.activeSuns++;
         } else {
             window.activeSuns--;
         }
     }
 }
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